CN221952115U - Continuous die circular side wall piercing structure - Google Patents

Abstract

The utility model discloses a continuous die circular side wall puncturing structure, relates to the field of stamping machine tools, and aims to solve the problems that in the prior art, when an existing punch press is used for punching a circular pipe side wall, only one side can be singly punched, four sides cannot be simultaneously punched, and the production efficiency is low. The upper end of the inner core punch limit column is fixedly connected with a product positioning block, both sides of the product positioning block and the lower ends of the middle parts of the front end and the rear end are fixedly connected with a fixed plate, the middle parts of the upper ends of the fixed plate are fixedly provided with T-shaped limit guide rails, one side of the upper end of the fixed plate is fixedly connected with a push block limit seat, the upper end of the fixing plate is connected with a puncture punch fixing insert, a second rectangular limiting groove is formed in the upper end of the middle of the inside of the puncture punch fixing insert, a puncture punch is connected in a limiting mode in the second rectangular limiting groove, an upper template is arranged at the upper end of the product positioning block, and lower pressing columns are fixedly connected to the two sides of the middle of the lower end of the upper template and the front end and the rear end of the lower end of the upper template.

Description

Continuous die circular side wall puncture structure

Technical Field

The utility model relates to the field of punching machine tools, in particular to a continuous die circular side wall puncturing structure.

Background Art

A stamping machine is a punch press for short, which is a stamping press. In national production, the stamping process has the advantages of saving materials and energy, high efficiency, low technical requirements for operators, and the ability to make products that cannot be achieved by mechanical processing through various mold applications. Therefore, its use is becoming more and more extensive. Stamping production is mainly for sheet metal. Through the mold, blanking, punching, forming, drawing, trimming, fine blanking, shaping, riveting and extrusion can be made, which are widely used in various fields. For example, the switches and sockets we use, cups, cupboards, plates, computer cases, and even missile aircraft... There are many accessories that can be produced by punching machines through molds.

The existing punching machine can only make a hole on one side of the side wall of a round tube, and cannot make holes on all four sides at the same time, resulting in low production efficiency. Therefore, the market urgently needs to develop a continuous mold circular side wall puncturing structure to help people solve the existing problem.

Utility Model Content

The utility model aims to provide a continuous mold circular side wall puncturing structure to solve the problem of low production efficiency in that the existing punching machine proposed in the above background technology can only make a hole on one side of the side wall of a circular tube and cannot make holes on four sides at the same time.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a continuous mold circular side wall puncturing structure, including an inner core punch limiting column, the upper end of the inner core punch limiting column is fixedly connected to a product positioning block, a product limiting groove is arranged in the middle of the upper end surface of the product positioning block, a first rectangular limiting groove is arranged at the front and rear ends and both sides of the middle part of the product positioning block, the middle lower ends of the two sides and the front and rear ends of the product positioning block are fixedly connected to a fixing plate, a T-shaped limiting guide rail is fixedly arranged in the middle of the upper end of the fixing plate, a push block limiting seat is fixedly connected to one side of the upper end of the fixing plate, an oblique limiting groove is arranged on the push block limiting seat, a trapezoidal push block is arranged in the oblique limiting groove, the A piercing punch fixing insert is connected to the upper end of the fixing plate, a T-shaped limiting groove is provided in the middle of the lower end surface of the piercing punch fixing insert, a second rectangular limiting groove is provided at the middle upper end of the inside of the piercing punch fixing insert, third rectangular limiting grooves are provided at both upper and lower ends of one side of the second rectangular limiting groove, a piercing punch is connected to the inside of the second rectangular limiting groove, and the upper and lower ends of the other end of the piercing punch are fixedly connected with a rectangular limiting part, a circular groove is provided at the middle lower end of one end surface of the piercing punch fixing insert, a reset spring is provided in the circular groove, an upper template is provided at the upper end of the product positioning block, and downward pressure columns are fixedly connected on both sides of the middle and the front and rear ends of the lower end of the upper template.

Preferably, the T-shaped limit groove at the lower end of the piercing punch fixing insert is placed on the upper limit of the T-shaped limit guide rail at the upper end of the fixing plate for connection.

Preferably, the second rectangular limiting grooves on the four piercing punch fixing inserts are horizontally aligned with the four first rectangular limiting grooves on the product positioning block respectively.

Preferably, four second rectangular limiting grooves are respectively extended from one end of the four piercing punches, which are respectively inserted into the four first rectangular limiting grooves on the product positioning block and are fixedly connected with a piercing blade head, and the two rectangular limiting parts on the piercing punches respectively slide into the third rectangular limiting groove on one side of the second rectangular limiting groove for limiting connection.

Preferably, one side of the trapezoidal push block slides along the oblique limiting groove, and the other side of the trapezoidal push block is simultaneously fitted with one side of the piercing punch fixed insert and one end of the piercing punch.

Preferably, one end of the four return springs respectively extends out of a circular groove and is fixedly connected to the four side end surfaces of the product positioning block.

Preferably, the lower ends of the four lower pressure columns on the upper template are vertically aligned with the four trapezoidal push blocks respectively.

Compared with the prior art, the beneficial effects of the utility model are:

1. In the utility model, by setting the piercing punch fixed insert, the middle lower ends of both sides and front and rear ends of the product positioning block are fixedly connected with fixed plates, the middle of the upper end of the fixed plate is fixedly provided with a T-shaped limit guide rail, one side of the upper end of the fixed plate is fixedly connected with a push block limit seat, the push block limit seat is provided with an oblique limit groove, a trapezoidal push block is provided in the oblique limit groove, the upper end of the fixed plate is connected with a piercing punch fixed insert, and the middle upper end of the inside of the piercing punch fixed insert is provided with a second rectangular limit groove The second rectangular limit groove is internally limited and connected with a piercing punch, which moves downward through the upper template, and at the same time drives the four trapezoidal push blocks to move downward and push the four trapezoidal push blocks to slide downward along the oblique limit groove. The other side of the trapezoidal push block is simultaneously fitted with one side of the piercing punch fixed insert and one end of the piercing punch, and then the piercing punch fixed insert and the piercing punch are pushed at the same time, so that the piercing punch drives the piercing knife head to slide along the first rectangular limit groove and insert into the product limit groove, thereby realizing simultaneous hole opening and piercing of the four sides of the product.

2. In the utility model, through the setting of the reset spring, a circular groove is provided at the lower middle end of one side end face of the piercing punch fixed insert, and a reset spring is provided in the circular groove. One ends of the four reset springs extend out of the circular grooves respectively and are fixedly connected to the four side end faces of the product positioning block. When the piercing punch fixed insert slides along the T-shaped limit guide rail, the reset spring contracts. After the hole opening and piercing process is completed, the reset spring pushes the piercing punch fixed insert to reset.

3. In the utility model, through the setting of the oblique limit groove, one side of the upper end of the fixed plate is fixedly connected with a push block limit seat, the push block limit seat is provided with an oblique limit groove, and a trapezoidal push block is provided in the oblique limit groove. When the pressing column is pressed down, the trapezoidal push block slides along the oblique limit groove, and then the trapezoidal push block squeezes the piercing punch fixed insert and the piercing punch, so as to push the piercing punch fixed insert and the piercing punch to move.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a front view of a circular side wall puncturing structure of a continuous mold according to the present invention;

FIG2 is a top view of a product positioning block of the utility model;

Figure 3 is a main sectional view of the present invention;

FIG. 4 is a main cross-sectional view of the piercing punch fixing insert of the present invention.

In the figure: 1. inner core punch limiting column; 101. product positioning block; 102. product limiting groove; 103. first rectangular limiting groove; 2. fixing plate; 201. T-shaped limiting guide rail; 3. push block limiting seat; 301. oblique limiting groove; 302. trapezoidal push block; 4. piercing punch fixing insert; 401. T-shaped limiting groove; 402. second rectangular limiting groove; 403. piercing punch; 404. piercing cutter head; 405. circular groove; 406. reset spring; 407. third rectangular limiting groove; 408. rectangular limiting part; 5. upper template; 501. lower pressure column.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

Please refer to Figures 1-4. An embodiment of the utility model provided is: a continuous mold circular side wall puncturing structure, including an inner core punch limiting column 1, the upper end of the inner core punch limiting column 1 is fixedly connected to a product positioning block 101, a product limiting groove 102 is arranged in the middle of the upper end surface of the product positioning block 101, and a first rectangular limiting groove 103 is arranged at the front and rear ends and both sides of the middle part of the product positioning block 101, and the middle lower ends of the two sides and the front and rear ends of the product positioning block 101 are fixedly connected to a fixed plate 2, and a T-shaped limiting guide rail 201 is fixedly arranged in the middle of the upper end of the fixed plate 2, and a push block limiting seat 3 is fixedly connected to one side of the upper end of the fixed plate 2, and an oblique limiting groove 301 is arranged on the push block limiting seat 3, and a trapezoidal push block 302 is arranged in the oblique limiting groove 301, and the fixed plate 2 The upper end is connected with a piercing punch fixing insert 4, a T-shaped limiting groove 401 is provided in the middle of the lower end surface of the piercing punch fixing insert 4, a second rectangular limiting groove 402 is provided at the middle upper end inside the piercing punch fixing insert 4, and third rectangular limiting grooves 407 are provided at both upper and lower ends of one side of the second rectangular limiting groove 402. A piercing punch 403 is connected to the second rectangular limiting groove 402 in a limiting manner, and the upper and lower ends of the other end of the piercing punch 403 are fixedly connected with a rectangular limiting part 408. A circular groove 405 is provided at the middle lower end of one end surface of the piercing punch fixing insert 4, and a reset spring 406 is provided in the circular groove 405. An upper template 5 is provided at the upper end of the product positioning block 101, and lower pressure columns 501 are fixedly connected to both sides of the middle part and the front and rear ends of the lower end of the upper template 5.

Furthermore, the T-shaped limiting groove 401 at the lower end of the piercing punch fixed insert 4 is placed on the upper end of the T-shaped limiting guide rail 201 at the upper end of the fixed plate 2 and connected so that the piercing punch fixed insert 4 can slide along the T-shaped limiting guide rail 201 at the upper end of the fixed plate 2.

Furthermore, the second rectangular limiting grooves 402 on the four piercing punch fixing inserts 4 are horizontally aligned with the four first rectangular limiting grooves 103 on the product positioning block 101 respectively.

Furthermore, four second rectangular limiting grooves 402 are respectively extended from one end of the four piercing punches 403, and then they are respectively inserted into the four first rectangular limiting grooves 103 on the product positioning block 101 and are fixedly connected with a piercing blade head 404. The two rectangular limiting parts 408 on the piercing punch 403 respectively slide into the third rectangular limiting groove 407 on one side of the second rectangular limiting groove 402 for limiting connection.

Furthermore, one side of the trapezoidal push block 302 slides along the oblique limiting groove 301, and the other side of the trapezoidal push block 302 is simultaneously fitted with one side of the piercing punch fixed insert 4 and one end of the piercing punch 403. When the trapezoidal push block 302 slides downward along the oblique limiting groove 301, it pushes the piercing punch fixed insert 4 and the piercing punch 403 at the same time, so that the piercing punch 403 drives the piercing blade head 404 to slide along the first rectangular limiting groove 103 and insert into the product limiting groove 102, thereby realizing the piercing of a hole on the end face of one side of the product.

Furthermore, one end of the four reset springs 406 respectively extends out of a circular groove 405 and is fixedly connected to the four side end faces of the product positioning block 101. When the piercing punch fixed insert 4 slides along the T-shaped limit guide rail 201, the reset spring 406 contracts. After the hole opening and puncturing process is completed, the reset spring 406 pushes the piercing punch fixed insert 4 to reset.

Furthermore, the lower ends of the four lower pressure columns 501 on the upper template 5 are vertically aligned with the four trapezoidal push blocks 302 respectively, and the upper template 5 moves downward, driving the four trapezoidal push blocks 302 to move downward and slide along the oblique limiting grooves 301.

Working principle: When in use, put the product into the product limiting groove 102 on the product positioning block 101, move downward through the upper template 5, and at the same time drive the four trapezoidal push blocks 302 to move downward, push the four trapezoidal push blocks 302 to slide downward along the oblique limiting groove 301, and the other side of the trapezoidal push block 302 is simultaneously fitted with one side of the piercing punch fixed insert 4 and one end of the piercing punch 403, and then push the piercing punch fixed insert 4 and the piercing punch 403 at the same time, the T-shaped limiting groove 401 at the lower end of the piercing punch fixed insert 4 is placed on the upper end of the T-shaped limiting guide rail 201 of the fixed plate 2, so that the piercing punch fixed insert 4 can be fixed on the fixed plate 2. The upper end of the fixed plate 2 slides along the T-shaped limit guide rail 201, so that the piercing punch 403 drives the piercing knife head 404 to slide along the first rectangular limit groove 103 and insert into the product limit groove 102, so as to realize simultaneous hole opening and puncturing of the four sides of the product. One end of the four reset springs 406 respectively extends out of the circular groove 405 and is fixedly connected to the four side end surfaces of the product positioning block 101. When the piercing punch fixed insert 4 slides along the T-shaped limit guide rail 201, the reset spring 406 contracts. After the hole opening and puncturing process is completed, the upper template 5 rises together with the lower pressure column 501, and the reset spring 406 pushes the piercing punch fixed insert 4 to reset.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims (7)

1. Circular lateral wall of progressive die pierces structure, including inner core punch spacing post (1), its characterized in that: the utility model discloses a punching die, including inner core punching die spacing post (1), product locating piece (101) is fixedly connected with, product locating piece (101) up end middle part is provided with product spacing groove (102), both ends and both sides all are provided with first rectangle spacing groove (103) around the inside middle part of product locating piece (101), the middle part lower extreme of both sides and front and back both ends of product locating piece (101) all fixedly connected with fixed plate (2), the middle part of fixed plate (2) upper end all fixedly provided with T type spacing guide rail (201), one side fixedly connected with ejector pad spacing seat (3) of fixed plate (2) upper end, be provided with slant spacing groove (301) on ejector pad spacing seat (3), be provided with trapezoidal ejector pad (302) in slant spacing groove (301), fixed plate (2) upper end is connected with and punctures punching die fixed insert (4), puncture die fixed insert fixed plate (4) lower terminal surface middle part is provided with T type spacing groove (401), puncture die fixed plate (2) inside middle part upper end all is provided with second rectangle spacing groove (403), puncture die fixed plate (402) both ends (402) are connected with rectangle spacing groove (408), the middle lower end of one side end face of the puncture punch fixing insert (4) is provided with a circular groove (405), a reset spring (406) is arranged in the circular groove (405), the upper end of the product positioning block (101) is provided with an upper template (5), and both sides of the middle of the lower end of the upper template (5) and both front and back ends are fixedly connected with a pressing column (501).

2. The progressive die circular sidewall piercing structure of claim 1, wherein: the T-shaped limit groove (401) at the lower end of the puncture punch fixing insert (4) is arranged on the T-shaped limit guide rail (201) at the upper end of the fixing plate (2) in a limit connection mode.

3. The progressive die circular sidewall piercing structure of claim 1, wherein: the second rectangular limiting grooves (402) on the four puncture punch fixing inserts (4) are horizontally aligned with the four first rectangular limiting grooves (103) on the product positioning block (101) respectively.

4. The progressive die circular sidewall piercing structure of claim 1, wherein: one end of each of the four puncture punches (403) extends out of four second rectangular limit grooves (402) and then is inserted into each of four first rectangular limit grooves (103) on the product positioning block (101) and is fixedly connected with a puncture tool bit (404), and two rectangular limit parts (408) on each puncture punch (403) slide into one side of each second rectangular limit groove (402) and are in limit connection with each other through a third rectangular limit groove (407).

5. The progressive die circular sidewall piercing structure of claim 1, wherein: one side of the trapezoid pushing block (302) slides along the inclined limiting groove (301) in a limiting mode, and the other side of the trapezoid pushing block (302) is attached to one side of the puncture punch fixing insert (4) and one end of the puncture punch (403) at the same time.

6. The progressive die circular sidewall piercing structure of claim 1, wherein: one end of each of the four return springs (406) extends out of the circular groove (405) and is fixedly connected with the four side end faces of the product positioning block (101).

7. The progressive die circular sidewall piercing structure of claim 1, wherein: the lower ends of four pressing columns (501) on the upper template (5) are vertically aligned with four trapezoid pushing blocks (302) respectively.